Write, color and create - then easily erase from dry erase surfaces! Great for use on laminated placemats and learning mats, transparencies, individual dry erase boards and more. 9 colors: black, blue, brown, green, orange, pink, purple, red and yellow. Large, 3-7/8" long by 3/8" in diameter crayons are easy for children to hold. For ages 3 and up. Conforms to ASTM D4236.